30130423 has 4 divisors (see below), whose sum is σ = 30247920. Its totient is φ = 30012928.

The previous prime is 30130417. The next prime is 30130439. The reversal of 30130423 is 32403103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32403103 = 137 ⋅236519.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30130423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30130397 and 30130406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58363 + ... + 58876.

It is an arithmetic number, because the mean of its divisors is an integer number (7561980).

Almost surely, 2^30130423 is an apocalyptic number.

30130423 is a deficient number, since it is larger than the sum of its proper divisors (117497).

30130423 is a wasteful number, since it uses less digits than its factorization.

30130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117496.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30130423 is about 5489.1185995568. The cubic root of 30130423 is about 311.1728825143.

Adding to 30130423 its reverse (32403103), we get a palindrome (62533526).

The spelling of 30130423 in words is "thirty million, one hundred thirty thousand, four hundred twenty-three".